Hey Bahadir1,
just wanted to clarify this one point (just in case it wasn't clear ): a strategy which is simply buying "rockets" and combine with a few passive cards works surprisingly well
- don't think this strategy should work well "because it is quite boring gameplay"... because most of the time you don't have to think too much... maybe you can tweek the parameters a bit if you want... to make it not viable any more (of course only if you see it as a problem) :)